<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="box1">
        <!--插值表达式-->
        {{ msg }}
        {{ count }}

    </div>
     <div id="box2">
        <!--插值表达式-->
        {{ msg }}
        {{ count }}

    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.7.16/dist/vue.js"></script>
<script>
    const app=new Vue({
        el:'#box1',
        data:{
            msg:'hello',
            count:666
        }
    })
</script>
<script>
    const app1=new Vue({
        el:'#box2',
        data:{
            msg:'helloooooo',
            count:666666666
        }
    })
</script>
</body>
</html>